﻿
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

namespace HangfireService.Commom
{
    public class HttpHelper
    {
        private static HttpClient client = new HttpClient { Timeout = new TimeSpan(0, 0, 30) };

        /// <summary>
        /// 发起GET同步请求
        /// </summary>
        /// <param name="url"></param>
        /// <param name="headers"></param>
        /// <param name="contentType"></param>
        /// <returns></returns>
        public static string HttpGet(string url, string contentType = null, Dictionary<string, string> headers = null)
        {

            if (contentType != null)
                client.DefaultRequestHeaders.Add("ContentType", contentType);
            if (headers != null)
            {
                foreach (var header in headers)
                    client.DefaultRequestHeaders.Add(header.Key, header.Value);
            }
            HttpResponseMessage response = client.GetAsync(url).Result;
            return response.Content.ReadAsStringAsync().Result;

        }


        /// <summary>
        /// 发起POST同步请求
        /// </summary>
        /// <param name="url"></param>
        /// <param name="postData"></param>
        /// <param name="contentType">application/xml、application/json、application/text、application/x-www-form-urlencoded</param>
        /// <param name="headers">填充消息头</param>        
        /// <returns></returns>
        public static string HttpPost(string url, string postData = null, string contentType = null, int timeOut = 30, Dictionary<string, string> headers = null)
        {
            postData = postData ?? "";

            if (headers != null)
            {
                foreach (var header in headers)
                    client.DefaultRequestHeaders.Add(header.Key, header.Value);
            }
            using (HttpContent httpContent = new StringContent(postData, Encoding.UTF8))
            {
                if (contentType != null)
                    httpContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue(contentType);

                HttpResponseMessage response = client.PostAsync(url, httpContent).Result;
                return response.Content.ReadAsStringAsync().Result;
            }

        }

    }
}
